6251530630 has 16 divisors (see below), whose sum is σ = 11492176320. Its totient is φ = 2447407552.

The previous prime is 6251530591. The next prime is 6251530633. The reversal of 6251530630 is 360351526.

It is a junction number, because it is equal to n+sod(n) for n = 6251530592 and 6251530601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6251530633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6650095 + ... + 6651034.

It is an arithmetic number, because the mean of its divisors is an integer number (718261020).

Almost surely, 2^6251530630 is an apocalyptic number.

6251530630 is a deficient number, since it is larger than the sum of its proper divisors (5240645690).

6251530630 is a wasteful number, since it uses less digits than its factorization.

6251530630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13301183.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 6251530630 is about 79066.6214656982. The cubic root of 6251530630 is about 1842.1661074235.

The spelling of 6251530630 in words is "six billion, two hundred fifty-one million, five hundred thirty thousand, six hundred thirty".